Endoscope operating unit



FIG. 1 is a perspective view of the endoscope operating unit, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines show portions of the endoscope operating unit that form no part of the claimed design. 

CLAIM The ornamental design for an endoscope operating unit, as shown and described. 